org.odpi.openmetadata.commonservices.generichandlers.DatabaseTableConverter Maven / Gradle / Ivy
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/* SPDX-License-Identifier: Apache-2.0 */
/* Copyright Contributors to the ODPi Egeria project. */
package org.odpi.openmetadata.commonservices.generichandlers;
import org.odpi.openmetadata.frameworks.openmetadata.metadataelements.DatabaseTableElement;
import org.odpi.openmetadata.frameworks.openmetadata.metadataelements.SchemaTypeElement;
import org.odpi.openmetadata.frameworks.openmetadata.properties.schema.databases.DatabaseTableProperties;
import org.odpi.openmetadata.frameworks.connectors.ffdc.PropertyServerException;
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.properties.instances.*;
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.properties.typedefs.TypeDefCategory;
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.repositoryconnector.OMRSRepositoryHelper;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
/**
* DatabaseTableConverter transfers the relevant properties from some Open Metadata Repository Services (OMRS)
* EntityDetail object into an DatabaseTable bean.
*/
public class DatabaseTableConverter extends OMFConverter
{
/**
* Constructor
*
* @param repositoryHelper helper object to parse entity
* @param serviceName name of this component
* @param serverName local server name
*/
public DatabaseTableConverter(OMRSRepositoryHelper repositoryHelper,
String serviceName,
String serverName)
{
super(repositoryHelper, serviceName, serverName);
}
/**
* Extract the properties from the schema attribute entity. Each API creates a specialization of this method for its beans.
*
* @param beanClass name of the class to create
* @param schemaAttributeEntity entity containing the properties for the main schema attribute
* @param typeClass name of type used to describe the schema type
* @param schemaType bean containing the properties of the schema type - this is filled out by the schema type converter
* @param schemaAttributeRelationships relationships containing the links to other schema attributes
* @param methodName calling method
* @param bean type used to create the schema type
* @return bean populated with properties from the instances supplied
* @throws PropertyServerException there is a problem instantiating the bean
*/
@Override
public B getNewSchemaAttributeBean(Class beanClass,
EntityDetail schemaAttributeEntity,
Class typeClass,
T schemaType,
List schemaAttributeRelationships,
String methodName) throws PropertyServerException
{
try
{
/*
* This is initial confirmation that the generic converter has been initialized with an appropriate bean class.
*/
B returnBean = beanClass.getDeclaredConstructor().newInstance();
if (returnBean instanceof DatabaseTableElement bean)
{
DatabaseTableProperties databaseTableProperties = new DatabaseTableProperties();
if (schemaAttributeEntity != null)
{
/*
* Check that the entity is of the correct type.
*/
bean.setElementHeader(this.getMetadataElementHeader(beanClass, schemaAttributeEntity, methodName));
/*
* The initial set of values come from the entity.
*/
InstanceProperties instanceProperties = new InstanceProperties(schemaAttributeEntity.getProperties());
databaseTableProperties.setQualifiedName(this.removeQualifiedName(instanceProperties));
databaseTableProperties.setAdditionalProperties(this.removeAdditionalProperties(instanceProperties));
databaseTableProperties.setDisplayName(this.removeDisplayName(instanceProperties));
databaseTableProperties.setDescription(this.removeDescription(instanceProperties));
databaseTableProperties.setAliases(this.removeAliases(instanceProperties));
/*
* Any remaining properties are returned in the extended properties. They are
* assumed to be defined in a subtype.
*/
databaseTableProperties.setTypeName(bean.getElementHeader().getType().getTypeName());
databaseTableProperties.setExtendedProperties(this.getRemainingExtendedProperties(instanceProperties));
bean.setDatabaseTableProperties(databaseTableProperties);
if (schemaType instanceof SchemaTypeElement schemaTypeElement)
{
bean.setDatabaseColumnCount(schemaTypeElement.getAttributeCount());
}
}
else
{
handleMissingMetadataInstance(beanClass.getName(), TypeDefCategory.ENTITY_DEF, methodName);
}
}
return returnBean;
}
catch (IllegalAccessException | InstantiationException | ClassCastException | NoSuchMethodException | InvocationTargetException error)
{
super.handleInvalidBeanClass(beanClass.getName(), error, methodName);
}
return null;
}
}